Photography by Jess Diab and Amber Interiors Dear Design Diary, If you’re a designer or a design enthusiast with an Instagram account, a computer, a phone, eyeballs, and any combination of the aforementioned, it’s literally impossible to avoid the beautiful, beachy work of Amber Lewis, founder of the Amber Interiors blog, principle of her own design firm, and businesswoman extraordinaire. When I found out she had a shop, I knew immediately it would be one of those painful stores where you go in and just want everything. And so when I sent Hommemaker Editor Jess Diab on assignment to check…